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bài khóa bài 2 TTKHKT

Authored by Ngoc Nguyen

World Languages

University

Used 4+ times

bài khóa bài 2 TTKHKT
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

爱迪生的发明一半拥有专利。

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.爱迪生在影响美国的100位人物中排名第九。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.35岁的时候爱迪生发现“爱迪生效应” 。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.爱迪生于1877年发明了碳丝电灯 。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

铜线与碳丝联接时,在铜线上将有电流通过。

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

爱迪生不仅是发明家而且还是

(a)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

爱迪生有许多发明,其中包……………、电影摄影机和改进的电灯

(a)  

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